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Author Topic: Simple Alpha Test  (Read 2585 times)

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Peter

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Simple Alpha Test
« on: June 11, 2014, 11:12:06 AM »
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« Last Edit: January 28, 2015, 04:21:25 AM by Peter »
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JRS

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Re: Simple Alpha Test
« Reply #1 on: June 11, 2014, 11:39:50 AM »
Good to see you posting again Peter. I was worried Kitty may have bought it.  :D

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Frankolinox

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Re: Simple Alpha Test
« Reply #2 on: June 12, 2014, 01:55:17 AM »
thanks peter for your alpha and polygon examples :)
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JRS

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Re: Simple Alpha Test
« Reply #3 on: June 12, 2014, 08:51:12 AM »
Peter,

Were you ever able to figure out why SDL doesn't allow you to get the alpha value on on main surface?
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JRS

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Re: Simple Alpha Test
« Reply #4 on: June 12, 2014, 01:51:55 PM »
Vielen Dank!

Can you explain what this program is doing and the results it gives?

My question is it possible to set a pixel with a known RGB color and alpha value on the main SDL surface and retrieve the same? I have no problem doing this with a new SDL surface I create.





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« Last Edit: June 12, 2014, 08:14:25 PM by John »
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JRS

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Re: Simple Alpha Test
« Reply #5 on: June 13, 2014, 08:40:28 AM »
If you ever figure out how to initialize the main surface so the alpha channel is correctly setup, (like I do when creating a new surface) that would be great and much appreciated.

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